Microwave Frequency Standard
1953 ◽
Vol 24
(8)
◽
pp. 565-568
◽
Keyword(s):
1969 ◽
Vol 5
(8)
◽
pp. 424-426
◽
1956 ◽
Vol 4
(2)
◽
pp. 116-121
◽
2013 ◽
Vol 3
(3)
◽
pp. 322-330
◽
2019 ◽
Vol 1326
◽
pp. 012046
◽
2019 ◽
Vol 1236
◽
pp. 012068
◽